781004072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{12457}}^1$

素因数の和:12941

約数の個数: 32

約数和(自身を含む): 1554010920

約数和(自身を除く): 773006848

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 461, 922, 1844, 3688, 7837, 12457, 15674, 24914, 31348, 49828, 62696, 99656, 211769, 423538, 847076, 1694152, 5742677, 11485354, 22970708, 45941416, 97625509, 195251018, 390502036, 781004072]

約数ペア:

[(1, 781004072), (2, 390502036), (4, 195251018), (8, 97625509), (17, 45941416), (34, 22970708), (68, 11485354), (136, 5742677), (461, 1694152), (922, 847076), (1844, 423538), (3688, 211769), (7837, 99656), (12457, 62696), (15674, 49828), (24914, 31348)]